1# Copyright (C) 2003, 2005, 2008, 2009, 2010, 2011, 2014 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program; see the file COPYING3. If not see 15# <http://www.gnu.org/licenses/>. 16 17proc load_gcc_lib { filename } { 18 global srcdir 19 load_file $srcdir/lib/$filename 20} 21 22load_lib dg.exp 23load_lib libgloss.exp 24load_gcc_lib target-libpath.exp 25load_gcc_lib wrapper.exp 26 27 28# Define libffi callbacks for dg.exp. 29 30proc libffi-dg-test-1 { target_compile prog do_what extra_tool_flags } { 31 32 # To get all \n in dg-output test strings to match printf output 33 # in a system that outputs it as \015\012 (i.e. not just \012), we 34 # need to change all \n into \r?\n. As there is no dejagnu flag 35 # or hook to do that, we simply change the text being tested. 36 # Unfortunately, we have to know that the variable is called 37 # dg-output-text and lives in the caller of libffi-dg-test, which 38 # is two calls up. Overriding proc dg-output would be longer and 39 # would necessarily have the same assumption. 40 upvar 2 dg-output-text output_match 41 42 if { [llength $output_match] > 1 } { 43 regsub -all "\n" [lindex $output_match 1] "\r?\n" x 44 set output_match [lreplace $output_match 1 1 $x] 45 } 46 47 # Set up the compiler flags, based on what we're going to do. 48 49 set options [list] 50 switch $do_what { 51 "compile" { 52 set compile_type "assembly" 53 set output_file "[file rootname [file tail $prog]].s" 54 } 55 "link" { 56 set compile_type "executable" 57 set output_file "[file rootname [file tail $prog]].exe" 58 # The following line is needed for targets like the i960 where 59 # the default output file is b.out. Sigh. 60 } 61 "run" { 62 set compile_type "executable" 63 # FIXME: "./" is to cope with "." not being in $PATH. 64 # Should this be handled elsewhere? 65 # YES. 66 set output_file "./[file rootname [file tail $prog]].exe" 67 # This is the only place where we care if an executable was 68 # created or not. If it was, dg.exp will try to run it. 69 remote_file build delete $output_file; 70 } 71 default { 72 perror "$do_what: not a valid dg-do keyword" 73 return "" 74 } 75 } 76 77 if { $extra_tool_flags != "" } { 78 lappend options "additional_flags=$extra_tool_flags" 79 } 80 81 set comp_output [libffi_target_compile "$prog" "$output_file" "$compile_type" $options]; 82 83 84 return [list $comp_output $output_file] 85} 86 87 88proc libffi-dg-test { prog do_what extra_tool_flags } { 89 return [libffi-dg-test-1 target_compile $prog $do_what $extra_tool_flags] 90} 91 92proc libffi-init { args } { 93 global gluefile wrap_flags; 94 global srcdir 95 global blddirffi 96 global objdir 97 global TOOL_OPTIONS 98 global tool 99 global libffi_include 100 global libffi_link_flags 101 global tool_root_dir 102 global ld_library_path 103 global compiler_vendor 104 105 set blddirffi [pwd]/.. 106 verbose "libffi $blddirffi" 107 108 # Which compiler are we building with? 109 set tmp [grep ../config.log "^ax_cv_c_compiler_vendor.*$"] 110 regexp -- {^[^=]*=(.*)$} $tmp nil compiler_vendor 111 112 if { [string match $compiler_vendor "gnu"] } { 113 set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a] 114 if {$gccdir != ""} { 115 set gccdir [file dirname $gccdir] 116 } 117 verbose "gccdir $gccdir" 118 119 set ld_library_path "." 120 append ld_library_path ":${gccdir}" 121 122 set compiler "${gccdir}/xgcc" 123 if { [is_remote host] == 0 && [which $compiler] != 0 } { 124 foreach i "[exec $compiler --print-multi-lib]" { 125 set mldir "" 126 regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir 127 set mldir [string trimright $mldir "\;@"] 128 if { "$mldir" == "." } { 129 continue 130 } 131 if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } { 132 append ld_library_path ":${gccdir}/${mldir}" 133 } 134 } 135 } 136 } 137 138 # add the library path for libffi. 139 append ld_library_path ":${blddirffi}/.libs" 140 141 verbose "ld_library_path: $ld_library_path" 142 143 # Point to the Libffi headers in libffi. 144 set libffi_include "${blddirffi}/include" 145 verbose "libffi_include $libffi_include" 146 147 set libffi_dir "${blddirffi}/.libs" 148 verbose "libffi_dir $libffi_dir" 149 if { $libffi_dir != "" } { 150 set libffi_dir [file dirname ${libffi_dir}] 151 set libffi_link_flags "-L${libffi_dir}/.libs" 152 } 153 154 set_ld_library_path_env_vars 155 libffi_maybe_build_wrapper "${objdir}/testglue.o" 156} 157 158proc libffi_exit { } { 159 global gluefile; 160 161 if [info exists gluefile] { 162 file_on_build delete $gluefile; 163 unset gluefile; 164 } 165} 166 167proc libffi_target_compile { source dest type options } { 168 global gluefile wrap_flags; 169 global srcdir 170 global blddirffi 171 global TOOL_OPTIONS 172 global libffi_link_flags 173 global libffi_include 174 global target_triplet 175 176 177 if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } { 178 lappend options "libs=${gluefile}" 179 lappend options "ldflags=$wrap_flags" 180 } 181 182 # TOOL_OPTIONS must come first, so that it doesn't override testcase 183 # specific options. 184 if [info exists TOOL_OPTIONS] { 185 lappend options [concat "additional_flags=$TOOL_OPTIONS" $options]; 186 } 187 188 # search for ffi_mips.h in srcdir, too 189 lappend options "additional_flags=-I${libffi_include} -I${srcdir}/../include -I${libffi_include}/.." 190 lappend options "additional_flags=${libffi_link_flags}" 191 192 # Darwin needs a stack execution allowed flag. 193 194 if { [istarget "*-*-darwin9*"] || [istarget "*-*-darwin1*"] 195 || [istarget "*-*-darwin2*"] } { 196 lappend options "additional_flags=-Wl,-allow_stack_execute" 197 } 198 199 # If you're building the compiler with --prefix set to a place 200 # where it's not yet installed, then the linker won't be able to 201 # find the libgcc used by libffi.dylib. We could pass the 202 # -dylib_file option, but that's complicated, and it's much easier 203 # to just make the linker find libgcc using -L options. 204 if { [string match "*-*-darwin*" $target_triplet] } { 205 lappend options "libs= -shared-libgcc" 206 } 207 208 if { [string match "*-*-openbsd*" $target_triplet] } { 209 lappend options "libs= -lpthread" 210 } 211 212 lappend options "libs= -lffi" 213 214 if { [string match "aarch64*-*-linux*" $target_triplet] } { 215 lappend options "libs= -lpthread" 216 } 217 218 if { [string match "*.cc" $source] } { 219 lappend options "c++" 220 } 221 222 verbose "options: $options" 223 return [target_compile $source $dest $type $options] 224} 225 226# Utility routines. 227 228# 229# search_for -- looks for a string match in a file 230# 231proc search_for { file pattern } { 232 set fd [open $file r] 233 while { [gets $fd cur_line]>=0 } { 234 if [string match "*$pattern*" $cur_line] then { 235 close $fd 236 return 1 237 } 238 } 239 close $fd 240 return 0 241} 242 243# Modified dg-runtest that can cycle through a list of optimization options 244# as c-torture does. 245proc libffi-dg-runtest { testcases default-extra-flags } { 246 global runtests 247 248 foreach test $testcases { 249 # If we're only testing specific files and this isn't one of 250 # them, skip it. 251 if ![runtest_file_p $runtests $test] { 252 continue 253 } 254 255 # Look for a loop within the source code - if we don't find one, 256 # don't pass -funroll[-all]-loops. 257 global torture_with_loops torture_without_loops 258 if [expr [search_for $test "for*("]+[search_for $test "while*("]] { 259 set option_list $torture_with_loops 260 } else { 261 set option_list $torture_without_loops 262 } 263 264 set nshort [file tail [file dirname $test]]/[file tail $test] 265 266 foreach flags $option_list { 267 verbose "Testing $nshort, $flags" 1 268 dg-test $test $flags ${default-extra-flags} 269 } 270 } 271} 272 273proc run-many-tests { testcases extra_flags } { 274 global compiler_vendor 275 switch $compiler_vendor { 276 "clang" { 277 set common "-W -Wall" 278 set optimizations { "-O0" "-O1" "-O2" "-O3" "-Os" } 279 } 280 "gnu" { 281 set common "-W -Wall -Wno-psabi" 282 set optimizations { "-O0" "-O2" "-O3" "-Os" "-O2 -fomit-frame-pointer" } 283 } 284 default { 285 # Assume we are using the vendor compiler. 286 set common "" 287 set optimizations { "" } 288 } 289 } 290 291 set targetabis { "" } 292 if [string match $compiler_vendor "gnu"] { 293 if [istarget "i?86-*-*"] { 294 set targetabis { 295 "" 296 "-DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__" 297 "-DABI_NUM=FFI_THISCALL -DABI_ATTR=__THISCALL__" 298 "-DABI_NUM=FFI_FASTCALL -DABI_ATTR=__FASTCALL__" 299 } 300 } 301 } 302 303 set common [ concat $common $extra_flags ] 304 foreach test $testcases { 305 set testname [file tail $test] 306 if [search_for $test "ABI_NUM"] { 307 set abis $targetabis 308 } else { 309 set abis { "" } 310 } 311 foreach opt $optimizations { 312 foreach abi $abis { 313 set options [concat $common $opt $abi] 314 verbose "Testing $testname, $options" 1 315 dg-test $test $options "" 316 } 317 } 318 } 319} 320 321# Like check_conditional_xfail, but callable from a dg test. 322 323proc dg-xfail-if { args } { 324 set args [lreplace $args 0 0] 325 set selector "target [join [lindex $args 1]]" 326 if { [dg-process-target $selector] == "S" } { 327 global compiler_conditional_xfail_data 328 set compiler_conditional_xfail_data $args 329 } 330} 331 332proc check-flags { args } { 333 334 # The args are within another list; pull them out. 335 set args [lindex $args 0] 336 337 # The next two arguments are optional. If they were not specified, 338 # use the defaults. 339 if { [llength $args] == 2 } { 340 lappend $args [list "*"] 341 } 342 if { [llength $args] == 3 } { 343 lappend $args [list ""] 344 } 345 346 # If the option strings are the defaults, or the same as the 347 # defaults, there is no need to call check_conditional_xfail to 348 # compare them to the actual options. 349 if { [string compare [lindex $args 2] "*"] == 0 350 && [string compare [lindex $args 3] "" ] == 0 } { 351 set result 1 352 } else { 353 # The target list might be an effective-target keyword, so replace 354 # the original list with "*-*-*", since we already know it matches. 355 set result [check_conditional_xfail [lreplace $args 1 1 "*-*-*"]] 356 } 357 358 return $result 359} 360 361proc dg-skip-if { args } { 362 # Verify the number of arguments. The last two are optional. 363 set args [lreplace $args 0 0] 364 if { [llength $args] < 2 || [llength $args] > 4 } { 365 error "dg-skip-if 2: need 2, 3, or 4 arguments" 366 } 367 368 # Don't bother if we're already skipping the test. 369 upvar dg-do-what dg-do-what 370 if { [lindex ${dg-do-what} 1] == "N" } { 371 return 372 } 373 374 set selector [list target [lindex $args 1]] 375 if { [dg-process-target $selector] == "S" } { 376 if [check-flags $args] { 377 upvar dg-do-what dg-do-what 378 set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"] 379 } 380 } 381} 382 383# We need to make sure that additional_files and additional_sources 384# are both cleared out after every test. It is not enough to clear 385# them out *before* the next test run because gcc-target-compile gets 386# run directly from some .exp files (outside of any test). (Those 387# uses should eventually be eliminated.) 388 389# Because the DG framework doesn't provide a hook that is run at the 390# end of a test, we must replace dg-test with a wrapper. 391 392if { [info procs saved-dg-test] == [list] } { 393 rename dg-test saved-dg-test 394 395 proc dg-test { args } { 396 global additional_files 397 global additional_sources 398 global errorInfo 399 400 if { [ catch { eval saved-dg-test $args } errmsg ] } { 401 set saved_info $errorInfo 402 set additional_files "" 403 set additional_sources "" 404 error $errmsg $saved_info 405 } 406 set additional_files "" 407 set additional_sources "" 408 } 409} 410 411# Local Variables: 412# tcl-indent-level:4 413# End: 414